233743869 has 6 divisors (see below), whose sum is σ = 337630046. Its totient is φ = 155829240.

The previous prime is 233743847. The next prime is 233743889. The reversal of 233743869 is 968347332.

It can be written as a sum of positive squares in only one way, i.e., 140138244 + 93605625 = 11838^2 + 9675^2 .

It is not a de Polignac number, because 233743869 - 2⁸ = 233743613 is a prime.

It is a super-2 number, since 2×233743869² = 109272392590178322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233743819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12985762 + ... + 12985779.

Almost surely, 2^233743869 is an apocalyptic number.

It is an amenable number.

233743869 is a deficient number, since it is larger than the sum of its proper divisors (103886177).

233743869 is a wasteful number, since it uses less digits than its factorization.

233743869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25971547 (or 25971544 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 233743869 is about 15288.6843449657. The cubic root of 233743869 is about 615.9990978300. Note that the first 3 decimals are identical.

The spelling of 233743869 in words is "two hundred thirty-three million, seven hundred forty-three thousand, eight hundred sixty-nine".